/*
 *  Copyright 2010 UPF Telecos 4th group G.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package edu.upf.filters;

import edu.upf.messages.SearchResult;
import edu.upf.utils.Definitions;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;

/**
 * Implements the filtering of SearchResult messages
 * @author netjois
 */
public class SearchResultFilter implements PacketFilter, Definitions {

    private String id;

    /**
     * Constructor of the filter, receives the associated query of the results
     * to filter.
     * @param queryID
     */
    public SearchResultFilter(String queryID){
        id=queryID;
    }

    /**
     * Indicates whether to accept the packet or not
     * @param packet
     * @return
     */
    @Override
    public boolean accept(Packet packet) {
        boolean status = false;

        if (packet instanceof Message) {
            Object payload=packet.getProperty(PAYLOAD);
            //System.out.println(((SearchResult)payload).getQueryID() + "vs"+id);
            if(payload instanceof SearchResult &&
                    ((SearchResult)payload).getQueryID().equals(id)){
                status = true;
            }
        }
        return status;
    }

}
